Arm Pieces. Starting at top, ch 113 (to measure about 7 inches) and work as for chair back until piece measures 8 inches (21 loops). On next row work across 1st 7 loops, ch 5, turn. Work over these 7 loops only for 2 more inches. Break off. Skip 7 loops and work over remaining 7 loops for 2 more inches. Break off. Work edging as for chair back, having 37 motifs for each arm piece.